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Title & Outline. Development of a Sediment Transport Model for the Chesapeake Bay: Supporting Physical Data from VIMS Potomac River Intensive Surveys with Emphasis on LISST Suspended Particle Size Grace M. Cartwright and Carl T. Friedrichs Virginia Institute of Marine Science OUTLINE:
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Title & Outline Development of a Sediment Transport Model for the Chesapeake Bay: Supporting Physical Data from VIMS Potomac River Intensive Surveys with Emphasis on LISST Suspended Particle Size Grace M. Cartwright and Carl T. Friedrichs Virginia Institute of Marine Science OUTLINE: Draft Data Report Preliminary Trends from Particle Size Analysis
Station locations General station locations along Potomac
Transects map Lateral ADCP/profiler transect locations
ADCP, Proflier ADCP LISST 2 OBS CTD ADV Pump
Profile & OBSs Typical profile Calibration: TSS vs. OBS
ABS & Heidi Calibration: TSS vs. ABS Large volume pump sampling for laboratory grain size analysis
Bottom sampling Bed grab with 1 cm interval subsamples of top 5 cm: % water organic matter sand/silt/clay Eh profile
Transects ADCP velocity transect ADCP conc transect LISST D50 profiles CTD salinity profiles
Title & Outline Development of a Sediment Transport Model for the Chesapeake Bay: Supporting Physical Data from VIMS Potomac River Intensive Surveys with Emphasis on LISST Suspended Particle Size Grace M. Cartwright and Carl T. Friedrichs Virginia Institute of Marine Science OUTLINE: Draft Data Report Preliminary Trends from Particle Size Analysis
Along axis UMCES Data: D50 depends on location, elevation and TSS. Two distinct populations indicated: (i) suspended, (ii) flocculated
Size vs. TSS Two populations at low C; Spectrum more peaked at high C D84 (m) D50 (m) D16 (m) Pump TSS (mg/l) (o 2004, x 2005)
Inorganic Two populations: (i) highly inorganic, (ii) organic/inorganic mixture % Inorganic Pump TSS (mg/l) (o 2004, x 2005)
TSS vs. speed TSS vs. Speed Pump TSS (mg/l) Current speed (cm/s) (o 2004, x 2005)
TSS vs. sp, z<1 Nearbed TSS vs Speed Pump TSS (mg/l) Height above bed < 1 m Current speed (cm/s) (o 2004, x 2005)
PCs Principal Component Analysis of Particle Size Spectra: Mean profiles shapes for cases with PC weightings > 2 or < -2 PC1 (84.4%) PC2 (8.0%) PC3 (5.7%) Normalized Vol. Conc. Size category (5 to 500 m) D84 (m) PC2 D50 (m) PC1 PC3 D16 (m) Principal Component Weighting
Title & Outline Development of a Sediment Transport Model for the Chesapeake Bay: Supporting Physical Data from VIMS Potomac River Intensive Surveys with Emphasis on LISST Suspended Particle Size Grace M. Cartwright and Carl T. Friedrichs Virginia Institute of Marine Science OUTLINE: Draft Data Report Preliminary Trends from Particle Size Analysis